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Advice on finding a contract manufacturer
Say I wanted to find a contract manufacturer that could build something with the complexity of an AVR Dragon (just for comparison - I'm not after that device). I intend to do the...
Wednesday, 25 January 2012 - 23:54
Valid reason to use unions with embedded systems.
Unions are often used by clever programmers to create job security and non-portable programs. I've never actually had a good reason to use them in embedded systems. I've seen some...
Saturday, 17 December 2011 - 20:59
AVR Sleep mode and indicator LEDs
I was just messing with putting my AVR to sleep and I noted that an indicator LED did not turn off. Then I used my brain for a moment and thought, 'Well why would it?' But I also...
Thursday, 24 November 2011 - 00:06
Efficient button reading algorithm - best practice question.
Again I'm looking for advice on the most efficient algorithm or the best practice for accomplishing a task. In this case it is debouncing a set of push buttons and setting a bit...
Wednesday, 26 October 2011 - 23:43
Best practice for getting the value of a bit field in a byte
And for another 'Best practice' query guaranteed to piss-off somebody... Let's say you want to get the value of a group of bits from a byte that you've divided up into fields such...
Wednesday, 5 October 2011 - 23:21
My experience with PCBs from Iteadstudio China
Project: LCDNAV PCB - 8x2 LCD with 5 button navigator keypad. Sent Gerber files on 9/4/11 Received boards on 9/26/11 Cost $24.90 for 10 boards + $5.00 shipping registered mail...
Thursday, 29 September 2011 - 00:48
Best practice number rotation technique for C?
I searched to Hell and Gone for this and found as is often the case the best suggestion was from Dean Camera in the thread at: https://www.avrfreaks.net/index.php?name=PNphpBB2...
Saturday, 17 September 2011 - 20:25
TortoiseSVN local doesn't match repository? [SOLVED]
I have a usart directory that shows the ! that indicates it is in synch with the repository, but it isn't since the repository doesn't contain the files in that directory. The...
Wednesday, 14 September 2011 - 19:56
Caution when switching between input and output?
From an AVR datasheet: Quote:Switching Between Input and Output When switching between tri-state ({DDxn, PORTxn} = 0b00) and output high ({DDxn, PORTxn} = 0b11), an intermediate...
Sunday, 28 August 2011 - 19:42
Why would I want to toggle an input pin?
The data sheet says I can: Quote:Writing a logic one to PINxn toggles the value of PORTxn, independent on the value of DDRxn. Note that the SBI instruction can be used to toggle...
Saturday, 27 August 2011 - 22:47
Android Open Accessory - opinions?
So you hook an Android phone up to an Arduino and away you go. I've let this simmer for a few months but I keep thinking that this really may be the next big thing in embedded...
Tuesday, 16 August 2011 - 21:12
AVRISP mkII clones - comments?
A friend asked if I could recommend: http://www.virtualvillage.com/re... I said that the usual comment on AVRFeaks is that the clones weren't worth the risk especially since the...
Sunday, 14 August 2011 - 18:59

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